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Two Stats Problems

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Question;1. Do men and women have the same mean body temperature? Consider the sample body temperatures 97.0oF. The summary statistics are given in the accompanying table below. Use 0.01 significance level to test the claim men and women have different mean body temperatures.Men Womenn1 = 11 n2 = 59x1 = 97.690F x2 = 97.450Fs1 = 0.890F s2 = 0.660F2. Researchers measured skulls from different time periods in an attempt to determine whether interbreeding of cultures occurred. Results are given below. Use a 0.05 significance level to test the claim that the variations of maximal skull breadths in 4000B.C. is the same as the variations inA.D. 150.4000B.C. (Maximal Skull Breadths): n = 30, = 131.37 mm,s = 5.13 mmA.D. 150(Maximal Skull Breadths): n = 30, = 136.17 mm,s = 5.35 mm

 

Paper#61837 | Written in 18-Jul-2015

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